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Lakshmi Chodavarapu


Last seen: 10 days ago |  Active since 2018

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plotting with for loops taking more than 2hours
Attached code is taking more than two hour to run and produce the plots. Requesting to kindly suggest a solution to improve the ...

2 months ago | 0 answers | 0

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Question


Kindly suggest how to get trend line in this plot. Tried polyfit but failed. data is in nested structure of size 1x222 with 66 fields

1 year ago | 0 answers | 0

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plotting without straight lines connecting two intervals of data in a same day
Between 8.2hours to 12.5hrs there is no data and so a straight line appears. How to avoid that straight lines connecting two se...

2 years ago | 1 answer | 0

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answer

Question


date to string conversion
when using the following code s value is prited as '00000' Help me what the problem is.. dtntm field has date and time aa=...

2 years ago | 2 answers | 0

2

answers

Question


structure to a matrix
Structure of 1x205 with 66 fields need to be converted to a matrix of m x 66 ( a simple table or array with cummulative data). ...

2 years ago | 1 answer | 0

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answer

Question


common data in two arrays
I have one array(c ) of 30Kx15 sixe and one structure array(r.data), 25Kx19 size. Need to find rows with similiar coloumn data ...

2 years ago | 0 answers | 0

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Question


goGPS not running in MATLAB 2018b
I'm a licenced student using MATLAB2018b. Trying to use goGPS matlab based code. Running from the current directory ...\goGPS_v0...

3 years ago | 0 answers | 0

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Answered
error:Cannot display summaries of variables with more than 524288 elements.
Solved this myself like this: hrs=floor(mod(A_org.GPSTOW,86400)./(60*60)); min=floor(mod(mod(A_org.GPSTOW,86400),(6...

4 years ago | 0

| accepted

Answered
Cannot display summaries of variables with more than 524288 elements.
Solved this myself like this: hrs=floor(mod(A_org.GPSTOW,86400)./(60*60)); min=floor(mod(mod(A_org.GPSTOW,86400),(6...

4 years ago | 0

Question


Cannot display summaries of variables with more than 524288 elements.
Hi, I am a user of licenced student version R2017b. I need to convert GPS time of week in seconds to HH:MM:SS form with date. Se...

4 years ago | 1 answer | 0

1

answer

Question


error:Cannot display summaries of variables with more than 524288 elements.
Hi, I am a user of student version. I need to convert GPS time of week in seconds to HH:MM:SS form with date. Seconds data is in...

4 years ago | 1 answer | 0

1

answer

Question


batch file processing (.txt files) for data analysis
Hi, I have more than 200 '.txt' files to process the data. Each file has same number of coloumns, i.e 10, but number of rows va...

4 years ago | 0 answers | 0

0

answers

Question


Error in interp1 (line 117) extptids = Xq < X(1) | Xq > X(end);
error : Index exceeds matrix dimensions. Error in interp1 (line 117) extptids = Xq < X(1) | Xq > X(end); Error in...

5 years ago | 1 answer | 0

1

answer

Question


How to slove AX=B, an over determined system represented by matrices. A is 500 x 3 matrix and B is 500 x 1 matrix and need to find 'X' a 3x1 matrix.
I dont have optimization toolbox

6 years ago | 1 answer | 0

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Question


is there any way that can speedup the process of following code... A and B are 50000x20 matrices..?
indx=1; for f=1:length(A) for b=1:length(B) if (A(f,1:6)==B(b,1:6))&(A(f,7)==B(b,7)) AA(indx,:)=A(f,[1...

6 years ago | 1 answer | 0

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Question


I am recent purchaser of student version R2017b. Getting error in using fgetl(shown below). Opened the input file (rinex observation data) using fopen. Using fgets makes my code failed as I am working with the length of strings.Kindly help.
Too many output arguments. Error in fgetl (line 32) [tline,lt] = fgetl(fid); Error in readrinex (line 15) ...

6 years ago | 1 answer | 0

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